UltraDNS - non-BIND Managed DNS - Managed DNS hosting and carrier-class directory services; reliable DNS servers and domain name hosting. Annual contracts. - http://www.neustarultraservices.biz/
DNSbox DNS Server - DNSbox is a German managed DNS Server with phone and mail Support. It is independent, fast, and stable. - http://www.dnsbox.us
DNS Max - Managed DNS hosting and DNS management software; reliable DNS servers and domain name hosting, and DNS resellers services. - http://www.dnsmax.com
WebDNS - Free primary and secondary zone file management. Unlimited domains and zones. Instant updates with easy to use control panel. - http://www.web-dns.co.uk
Twisted4life: Free Secondary DNS - Free secondary DNS, open to public and companies. Manage your list of domains through the easy to use web interface. - http://www.twisted4life.com/
Granite Canyon Free Public DNS Services - The Service offers both primary and secondary DNS free of charge to anyone who asks. - http://www.granitecanyon.com
Top Level Domain DNS Provider - Provides TLD operators services to offload DNS management of a root TLD, including primary, "hidden primary", or secondary DNS services. - http://www.tlddns.com
SecuritySpace Managed DNS Services - Self-serve DNS services with globally distributed network, easy to use web interface, 5 minute server updates and first year free DNS services for one domain. - http://www.securityspace.com/dns/index.html
Tucows Managed DNS - Provides wholesale managed dns services. - http://resellers.tucows.com/wholesale_services/manageddns
Nettica.com - Full set of DNS services including static, dynamic, reverse, and bulk service. - http://www.nettica.com/Domain/Dns.aspx
Worldwidedns.net - Providing a simple to use interface for end users and business. Free reseller systems available. Primary and secondary DNS services available on all accounts. - http://www.worldwidedns.net/
BackupDNS.com Secondary DNS - Providing reliable secondary DNS services to the Internet since 1997. - http://www.backupdns.com
pghost.com Internet Solutions - pghost.com offers DNS management, take care of your business and websites without worrying about your DNS. - http://www.pghost.com
XName - XName provides free backup DNS service, web managed. - http://www.xname.org
LaneChange.net DNS Hosting - Self serve DNS hosting using web based DNS manager. Geographically distributed, reliable, TinyDNS based network. Domain health check feature verifies DNS entries for reliable domain name operation. - http://www.lanechange.net